MC
Mary Costello — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this Mary Costello across the 1920 and 1930 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 14-person household.
Age 14
b. ~1916
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | Costello |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Town Of Nutley |
| Est. Birth Year | ~1916 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Costello | Daughter | — | 6 | ~1924 |
| Elizabeth Costello | Daughter | — | 10 | ~1920 |
| Mary Costello | Daughter | — | 14 | ~1916 |
| Grace Costello | Daughter | — | 12 | ~1918 |
| Dorothy Costello | Daughter | — | 5 | ~1925 |
| Luciano Costello | Head | — | 49 | ~1881 |
| Achille Randone | Other | — | 38 | ~1892 |
| Michael Armichario | Other | — | 76 | ~1854 |
| John Scherer | Other | — | 28 | ~1902 |
| Michael Costello | Son | — | 19 | ~1911 |
| Gabriel Costello | Son | — | 8 | ~1922 |
| Lawrence Costello | Son | — | 1 | ~1929 |
| Patrick Costello | Son | — | 16 | ~1914 |
| Mildred Costello | Spouse | — | 40 | ~1890 |
Census Appearances
1920
Essex, New …
Daughter, age 4
Essex, New Jersey · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Castello |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Speaks English | Yes |
| Mother Tongue | Italian |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Daughter, age 14
Essex, New Jersey · implied b. ~1916 — 14 household members
| Surname | Costello |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Italy |
| Mother's Birthplace | Italy |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Costello across 2 US Census years (1920 and 1930) in Essex, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Costello
Daughter · 1930 · age 14 · b. ~1916 · New Jersey
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Sibling
Michael Costello
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Costello
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Costello
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Costello
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Costello
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gabriel Costello
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Costello
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Costello
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Essex, New Jersey
Open full size
1930 US Federal Census — Essex, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1344:0107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vincent Knopp | 17 | Son | Clerk | New York |
| 2 | Stanley Knopp | 15 | Son | — | New York |
| 3 | William Binde | 39 | Head | Inspector | Germany |
| 4 | Florence Binde | 26 | Wife | — | Pennsylvania |
| 5 | William Binde | 8 | Son | — | New Jersey |
| 6 | Walter Binde | 6 | Son | — | New Jersey |
| 7 | Harry Binde | 4 | Son | — | New Jersey |
| 8 | Robert Binde | 1 | Son | — | New Jersey |
| 9 | William Pollard | 40 | Head | Laborer | Alabama |
| 10 | Alice Pollard | 28 | Wife | Housework | Florida |
| 11 | Arthur Pollard | 9 | Son | — | Pennsylvania |
| 12 | Mattie Pollard | 4 | Daughter | — | Pennsylvania |
| 13 | Edward Legions | 45 | Head | Pressman | Virginia |
| 14 | Nancy Legions | 34 | Wife | Housework | South Carolina |
| 15 | Edith Burrell | 15 | Step daughter | — | South Carolina |
| 16 | Claude Wilson | 23 | Head | Chauffeur | North Carolina |
| 17 | Rosabell Wilson | 19 | Wife | — | Georgia |
| 18 | Claude Wilson | 2 | Son | — | New Jersey |
| 19 | George Mitchell | 33 | Head | Laborer | Virginia |
| 20 | Beatrice Mitchell | 23 | Wife | Housework | Virginia |
| 21 | William Mitchell | 26 | Lodger | Cleaner | Virginia |
| 22 | Nellie Berry | 44 | Mother-in-law | Housework | North Carolina |
| 23 | Myrtle Berry | 13 | Sister-in-law | Housework | North Carolina |
| 24 | Rebecca Warren | 72 | Head | — | Virginia |
| 25 | Helen Warren | 32 | Daughter | Housework | New York |
| 26 | Carrie Coleman | 9 | Niece | — | Virginia |
| 27 | Addie Naye | 35 | Head | Housework | Virginia |
| 28 | Louise Naye | 14 | Daughter | — | Virginia |
| 29 | Thomas B. Naye | 44 | Husband | Laborer | Virginia |
| 30 | Luciano Costello | 49 | Head | Retail Merchant | Italy |
| 31 | Mildred Costello | 40 | Wife | — | Italy |
| 32 | Michael Costello | 19 | Son | — | New Jersey |
| 33 | Patrick Costello | 16 | Son | — | New Jersey |
| 34 | Mary Costello THIS PERSON | 14 | Daughter | — | New Jersey |
| 35 | Grace Costello | 12 | Daughter | — | New Jersey |
| 36 | Elizabeth Costello | 10 | Daughter | — | New Jersey |
| 37 | Gabriel Costello | 8 | Son | — | New Jersey |
| 38 | Helen Costello | 6 | Daughter | — | New Jersey |
| 39 | Dorothy Costello | 5 | Daughter | — | New Jersey |
| 40 | Lawrence Costello | 1 | Son | — | New Jersey |
| 41 | Michael Armichario | 76 | Father-in-law | Retired | Italy |
| 42 | Achille Randone | 38 | Brother-in-law | — | Italy |
| 43 | John Scherer | 28 | Boarder | Laborer | Hungary |
| 44 | John Ricci | 30 | Head | Printer | New Jersey |
| 45 | Anna Ricci | 28 | Wife | — | Hungary |
| 46 | Maryann Ricci | 5 | Daughter | — | New Jersey |
| 47 | Charles Genocchio | 49 | Head | Matron | New York |
| 48 | Mary Genocchio | 24 | Daughter | — | New Jersey |
| 49 | Veronica Genocchio | 21 | Daughter | Operator | New Jersey |
| 50 | Josephine Genocchio | 18 | Daughter | Clerk | New Jersey |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)